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<title>Bai 3.9</title>
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<form id="form1" name="form1" method="post" action="Bai3_9.php">
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      <td colspan="2">ĐẾM PHẦN TỬ, GHÉP MẢNG VÀ SẮP XẾP</td>
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      <td nowrap="nowrap" bgcolor="#FF99FF">Mảng A:</td>
      <td nowrap="nowrap" bgcolor="#FF99FF"><input name="mang_a" type="text" id="mang_a" value="<?php echo $_POST['mang_a'];?>" size="60%" /></td>
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      <td nowrap="nowrap" bgcolor="#FF99FF">Mảng B:</td>
      <td nowrap="nowrap" bgcolor="#FF99FF"><input name="mang_b" type="text" id="mang_b" value="<?php echo $_POST['mang_b'];?>" size="60%" /></td>
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      <td nowrap="nowrap" bgcolor="#FF99FF">&nbsp;</td>
      <td nowrap="nowrap" bgcolor="#FF99FF"><input  style="background-color:#CF9" type="submit" name="button" id="button" value="Thực hiện" /></td>
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      <td nowrap="nowrap" bgcolor="#FFCCFF">Số phần tử mảng A:</td>
      <td nowrap="nowrap" bgcolor="#FFCCFF"><input style="background-color:#C33" name="soPtmangA" type="text" disabled="disabled" id="soPtmangA" value="<?php echo $soPtmangA;?>" /></td>
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      <td nowrap="nowrap" bgcolor="#FFCCFF">Số phần tử mảng B:</td>
      <td nowrap="nowrap" bgcolor="#FFCCFF"><input style="background-color:#C33" name="soPtmangB" type="text" disabled="disabled" id="soPtmangB" value="<?php echo $soPtmangB;?>" /></td>
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      <td nowrap="nowrap" bgcolor="#FFCCFF">Mảng C:</td>
      <td nowrap="nowrap" bgcolor="#FFCCFF"><input name="mangC" style="background-color:#C33" type="text" disabled="disabled" id="mangC" value="<?php echo $mangC;?>" size="70%" /></td>
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      <td nowrap="nowrap" bgcolor="#FFCCFF">Mảng C tăng dần:</td>
      <td nowrap="nowrap" bgcolor="#FFCCFF"><input name="mangCtangdan" style="background-color:#C33" type="text" disabled="disabled" id="mangCtangdan" value="<?php echo $mangCtangdan;?>" size="70%" /></td>
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      <td nowrap="nowrap" bgcolor="#FFCCFF">Mảng C giảm dần:</td>
      <td nowrap="nowrap" bgcolor="#FFCCFF"><input name="mangCgiamdan" style="background-color:#C33" type="text" disabled="disabled" id="mangCgiamdan" value="<?php echo $mangCgiamdan;?>" size="70%" /></td>
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      <td colspan="2" nowrap="nowrap" bgcolor="#FFCCFF" style="text-align: center">(<span style="color: #C00; font-weight: bold;">Ghi chú</span>: Các phần tử trong mảng sẽ cách nhau bằng dấu &quot;,&quot;)</td>
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</form>
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